Claim benefit (8)
I believe the answer is:
interest
This clue is a double definition.
'claim' is the first definition.
(thesaurus)
'benefit' is the second definition.
(interest is a kind of benefit)
(Other definitions for interest that I've seen before include "Condition of curiosity about amount paid for use of money" , "Hobby" , "Share in an undertaking" , "Benefit" , "Significance" .)